// file: crates/ksp-store-postgres-lib/tests/dependency_boundary.rs
// version: 2

#![warn(missing_docs)]
#![deny(unreachable_pub)]
#![forbid(unsafe_code)]

//! Dependency-boundary canaries for the PostgreSQL Store backend scaffold.

#[test]
fn pre_002_backend_depends_on_store_api_without_reverse_facade_edge() {
    let manifest = include_str!("../Cargo.toml");
    assert!(manifest.contains("ksp-store-api = { path = \"../ksp-store-api\" }"));
    for forbidden in ["ksp-store-lib", "ksp-config-lib", "ksp-materializer", "ksp-program", "ksp-onchain-transport-lib", "ksp-offchain-transport-lib"] {
        assert!(!manifest.contains(forbidden), "forbidden PostgreSQL backend dependency detected: {forbidden}");
    }
    return;
}

#[test]
fn pre_002_backend_does_not_advance_connection_pool_tls_or_migrations() {
    let manifest = include_str!("../Cargo.toml");
    for forbidden in ["tokio", "tokio-postgres", "deadpool-postgres", "tokio-postgres-rustls", "rustls", "sha2"] {
        assert!(!manifest.contains(forbidden), "premature PostgreSQL runtime dependency detected: {forbidden}");
    }
    let crate_root = include_str!("../src/lib.rs");
    assert!(crate_root.contains("mod constants;"));
    assert!(crate_root.contains("pub(crate) use self::constants::TRACING_TARGET;"));
    assert!(crate_root.contains("const _: &str = TRACING_TARGET;"));
    for forbidden in ["pub mod ", "pub struct", "pub enum", "pub trait", "tokio_postgres", "deadpool_postgres", "mod migration", "SELECT ", "CREATE TABLE"] {
        assert!(!crate_root.contains(forbidden), "premature PostgreSQL backend surface detected: {forbidden}");
    }
    let constants = include_str!("../src/constants.rs");
    assert!(constants.contains("pub(crate) const TRACING_TARGET: &str = \"ksp-store-postgres-lib\";"));
    return;
}